Which record is most useful for identifying cows that repeatedly fail to become pregnant despite normal heat expression?
Correct answer: C. Individual breeding and pregnancy records
- A. Bulk feed-delivery invoices
- B. Daily shed-cleaning records
- C. Individual breeding and pregnancy records
- D. Routine hoof-trimming dates alone
Explanation
Individual breeding and pregnancy records show services, return to oestrus, conception results and calving history for each cow. These data help distinguish repeated reproductive failure from isolated management events.
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